Makito Area, Tetori Group, Honshu: Late Jurassic, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Unionida - Unionidae
see common names

Geography
Country:Japan State/province:Gifu
Coordinates: 36.0° North, 136.9° East (view map)
Paleocoordinates:55.1° North, 146.6° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period: Jurassic Epoch: Late Jurassic
10 m.y. bin: Jurassic 5-6
Key time interval: Late Jurassic
Age range of interval: 161.5 - 143.1 m.y. ago
Stratigraphy
Geological group:Tetori
Stratigraphic resolution:formation
Stratigraphy comments: Upper Jurassic (or Lower Cretaceous), horizon uncertain
Lithology and environment
Environment:marine indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:40165
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:marine invertebrate
Created:2004-06-19 02:51:25 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-06-19 02:51:25
Creative Commons license:CC0
Reference information

Primary reference:

10664. I. Hayami. 1975. A systematic survey of the Mesozoic Bivalvia from Japan. The University Museum, The University of Tokyo, Bulletin (10) [M. Aberhan/S. Nurnberg/S. Nurnberg]